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Encapsulation and Permeability Characteristics of Plasma Polymerized Hollow Particles

DOI :

10.3791/4113-v

August 16th, 2012

August 16th, 2012

10,528 Views

1Department of Chemical Engineering, The Pennsylvania State University

We have used plasma enhanced chemical vapor deposition to deposit thin films ranging from a few nm to several 100 nm on nano-sized particles of various materials. We subsequently etch the core material to produce hollow nanoshells whose permeability is controlled by the thickness of the shell. We characterize the permeability of these coatings to small solutes and demonstrate that these barriers can provide sustained release of the core material over several days.

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Encapsulation

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